two-fold雙重的、兩倍的、二重學術名詞雙卷：電機工程雙重：電機工程兩層：電機工程雙卷[的]：電力工程雙重[的]：電力工程兩層[的]：電力工程英文釋義having more than one decidedly dissimilar aspects or qualitiestwice as great or many